276 NORTH AMERICAN BIRDS. 



coarsely and regularly barred with black. Young male : Head, neck, 

 and chest dull brownish gray, paler on chin, browner on chest and 

 occiput, almost black on lores, beneath eyes, and terminal portion 

 of ear-coverts; an orbital ring (interrupted on middle portion of 

 upper eyelid and anterior half of lower lid), and broad oblique bar 

 across middle portion of ear-coverts, white; back and scapulars 

 grayish brown, becoming more russet on lower back, rump, and 

 upper tail-coverts ; middle, and many of lesser, wing-coverts buffy 

 white, bordered with black, producing conspicuous large spots ; 

 greater wing-coverts and tertials pale grayish brown, finely sprinkled 

 with dusky, and tipped with a large spot of buify white ; lower parts 

 grayish white, the breast and upper belly coarsely spotted or mottled 

 with brownish gray ; tail much as in adult female. Length about 

 11.25-12.00, wing 5.10-5.50, tail 6.50-7.20. Hab. Central and northern 

 Mexico, north to southern Texas (lower Eio Grande Yalley) and 

 southern Arizona. 



389. T. ambiguus GOULD. Coppery-tailed Trogon. 



c 2 . Adult male : Similar to same sex of T. ambiguus, but upper parts bronzy 

 green, the middle tail-feathers golden green, wings more coarsely 

 undulated, with white exceeding the blackish lines in width (?), and 

 outer tail-feathers more broadly and regularly barred with black. 

 Adult female : With black bars on outer tail-feathers broader and 

 less numerous (?). Length about 12.00, wing 5.00-5.30, tail 7. Hab. 

 Guatemala, southern Mexico, and Salvador (Libertad). 



T. elegans GOULD. Elegant Trogon. 1 



b*. Inner webs of outer tail-feathers uniform black, or black narrowly barred 

 with white, in adult males, destitute of bars (except sometimes in T. 

 puella a terminal white and narrower subterminal black bar). 



c 1 . Adult male: Upper parts and chest pure metallic green, more bronzy 

 on back ; wings very minutely zigzagged and freckled with white, 

 the markings hardly distinguishable at a little distance ; quills with- 

 out whitish edgings ; outer tail-feathers entirely black, except the 

 very broad and abrupt white tip. Adult female: Outer web of outer 

 tail-feathers broadly barred with black and white, the inner web 

 chiefly uniform black, without any bars. Length about 12.00, wing 

 5.50-6.00, tail 7.40-7.50. Hab. Guatemala and southern Mexico. 



T. mexicanus SWAINS. Mexican Trogon. 11 



c 2 . Adult male : Upper parts and chest bronzy green, as in T. mexicanus ; 

 wings very distinctly undulated with white, the quills edged with 

 the same ; outer tail-feathers distinctly but narrowly barred across 

 both webs with white, and rather narrowly tipped with the same. 

 Adult female : Outer web of outer tail-feathers plain white, some- 



1 Trogon elegant GOULD, P. Z. S. 1834, 26. 



* Trogon mexicanus SWAINS., Philos. Mag. n. s. i. 1827, 440. 



